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90
2141-209-002 REV H
www.stryker.com
Tools Required:
• Phillips Screwdriver #2
• ESD System
• 3/8” Nutdriver
Procedure:
1. Plug bed into wall outlet.
2. Set the brakes using one of the brake control locations
or by using the manual brake pedal.
3. Raise the bed to the full upright position.
4. Remove the mattress assembly or fold back to expose
the foot section.
5. Using a Phillips screwdriver, remove the two screws
(reference drawing, item A and B) securing the
electrical cover and remove the cover.
Note: Use caution as the cover is large and heavy.
6. Unplug the bed from the wall outlet and turn battery
switch OFF. The bed should now have no power.
7. Using an ESD system, properly ground yourself.
8. Unplug all cable connections from the CPU/Power
board.
9. Using a 3/8” nutdriver and a Phillips screwdriver, unscrew
the four screws (C) securing the metal CPU/Power
board mounting plate to the electrical tray (reference
drawing above).
10. Remove CPU/Power board and discard.
11. Reverse steps 9-4 to install the new CPU/Power board
(QDF75-0440).
12. Plug bed back into wall outlet and turn the battery switch
back ON.
13. Configure bed options (refer to the Bed Options
Configuration procedure on
page 39
).
14. Configure the bed serial number (refer to the Serial
Number Configuration procedure on
page 40
).
15. Recalibrate the bed by referring to the Bed Calibration
procedure on
page 25
.
16. Test all bed functionality prior to putting the bed back
into service.
Service Information
CPU / POWER BOARD REMOVAL AND REPLACEMENT - (LITTER)
A
B
Electrical Cover
C
C
CPU/Power board